import { IExtractionResult, IExtractor } from "./IExtractor";
import '../../util';
import DocumentHandler from '../../tools/DocumentHandler';
/**
 * Simplified JSON-LD extractor based on Google structured data examples
 * @see https://developers.google.com/search/docs/guides/intro-structured-data
 */
export declare class JsonExtractor implements IExtractor {
    private readonly doc;
    private readonly meta;
    constructor(doc: DocumentHandler);
    extract(): IExtractionResult;
    private findItems;
}